65.4  Sureties on bonds of public officers.
  When any surety on the bond of a public officer desires to be relieved of obligation, the surety may petition the approving officer or board for relief, stating the grounds therefor.
[C51, §421; R60, §652; C73, §775; C97, §1283; C24, 27, 31, 35, 39, §1083; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §65.4]

Approving officers, §64.19